diff --git a/addons/mail/static/src/components/messaging_menu_tab/messaging_menu_tab.xml b/addons/mail/static/src/components/messaging_menu_tab/messaging_menu_tab.xml
index 37cf62b361c..ffd85336671 100644
--- a/addons/mail/static/src/components/messaging_menu_tab/messaging_menu_tab.xml
+++ b/addons/mail/static/src/components/messaging_menu_tab/messaging_menu_tab.xml
@@ -2,7 +2,7 @@
 <templates xml:space="preserve">
 
     <t t-name="mail.MessagingMenuTab" owl="1">
-        <button class="o_MessagingMenuTab o-desktop btn btn-link" t-att-class="{ 'o-active fw-bolder': messagingMenuTabView.isActive, 'text-500': !messagingMenuTabView.isActive }" t-on-click="messagingMenuTabView.onClick" type="button" role="tab" t-att-data-tab-id="messagingMenuTabView.id" t-attf-class="{{ className }}" t-ref="root">
+        <button class="o_MessagingMenuTab o-desktop btn btn-link" t-att-class="{ 'o-active fw-bolder': messagingMenuTabView.isActive, 'text-dark': !messagingMenuTabView.isActive }" t-on-click="messagingMenuTabView.onClick" type="button" role="tab" t-att-data-tab-id="messagingMenuTabView.id" t-attf-class="{{ className }}" t-ref="root">
             <t t-out="messagingMenuTabView.name"/>
         </button>
     </t>